Folate binding by the brush border membrane proteins of small intestinal epithelial cells.

Amino Acids/analysis Animals Carbon Isotopes Carrier Proteins/analysis,isolation & purification Cell Fractionation Cell Membrane/metabolism Chromatography, Gel Dansyl Compounds Electrophoresis Epithelial Cells Epithelium/drug effects,metabolism Female Folic Acid/metabolism,pharmacology Intestine, Small/cytology,metabolism Leucine/metabolism Macromolecular Substances Molecular Weight Protein Binding Proteins/isolation & purification Rats Sodium Dodecyl Sulfate Structure-Activity Relationship Tritium

Amino Acids Carbon Isotopes Carrier Proteins Dansyl Compounds Macromolecular Substances Proteins Tritium Sodium Dodecyl Sulfate Folic Acid Leucine